package com.bookcloud.java21.chapter4.继承构建函数的执行时机410;

public class L1 {
  private String title;
  private int level;

  public L1() {
    System.out.println("L1=>无参构造函数");
  }

  public void func1() {
    System.out.println("L1=>func1");
  }
}
